Ac Adapter; Ac Adapter Specifications - Acer 390 Series Service Manual

1.4.25

AC Adapter

Table 1-29

AC Adapter Specifications

Vendor & model name
Input Requirements
Nominal voltages (Vrms)
Nominal frequency (Hz)
Frequency variation range (Hz)
Maximum input current (A, @90Vac, full load)
Inrush current
Efficiency
Output Ratings (CV mode)
DC output voltage (V)
Noise + Ripple (mV)
Load (A)
Output Ratings (CC mode)
DC output voltage (V)
Constant output (A)
Dynamic Output Characteristics
Turn-on delay time (s, @115Vac)
Hold up time (ms; @115 Vac input, full load)
Over Voltage Protection (OVP, V)
Short circuit protection
Electrostatic discharge (ESD, kV)
Dielectric Withstand Voltage
Primary to secondary
Leakage current
Regulatory Requirements
Internal filter meets:
1. FCC class B requirements. (USA)
2. VDE 243/1991 class B requirements. (German)
3. CISPR 22 Class B requirements. (Scandinavia)
4. VCCI class II requirements. (Japan)
1-22
Item
Delta ADP-45GB Rev. E3, E5
90 - 264
47 - 63
47 - 63
1.5 A
The maximum inrush current will be less than 50A and
100A when the adapter is connected to 115Vac(60Hz)
and 230Vac(50Hz) respectively.
It should provide an efficiency of 83% minimum, when
measured at maximum load under 115V(60Hz).
+19.0V~20.5V
300mvp-pmax (20Mhz bandwidth)
0 (min.) 2.4 (max.)
+12 ~+19
2.75 ± 0.2
2
5 (min.)
26
Output can be shorted without damage
15 (at air discharge)
3000 Vac (or 4242 Vdc), 10 mA for 1 second
0.25 mA maximum @ 254 Vac, 60Hz.
Specification
Service Guide